MEM wrote: >> By the way, there are many reasons for creating objects inside of other >> objects. This should not be considered an exception. I don't know where >> this code belongs to, so I can't clear out if it is good or bad OOP >> style. > > I do not intend to public judge the author, but the original article is here, just for proper credit: > http://www.phpro.org/tutorials/Pagination-with-PHP-and-PDO.html > > >> Just think about everything in classes and objects - even return values >> or other things, that you would normally consider as "volatile". (eg. a >> network connection) > > It would be a nice exercise to practice. :) Thanks for the tip. > > > And thanks a lot for the reply, I'm almost there... one last newbie question: > > When we have something like this: > Class Pagination > { > Public static function Pagination ($limit, $total_records, $page) > { > $pagi_obj= new stdClass; > > $pagi_obj->total_pages = $total_pages; > > $pagi_obj->offset = $offset; > > $pagi_obj->limit = $limit; > > $pagi_obj->page = $page; > > > > return $pagi_obj; > ... > > How can we, later, have something like this, for example: > $pagination_obj=Pagination::Pagination(some params) > $pagination_obj->offset; > > ? > > I mean: > When we instantiate the class by doing: > $pagination_obj=Pagination::Pagination(some params) Here you are calling the static method of the Pagination class which returns the stdClass object which you are assigning to $pagination_obj. > > We will have an object ($pagi_obj) returned where the properties of that object will be *referring* to the values passed on the method argument, right? $pagi_obj is what is was in the Pagination class, but when it was returned you assigned it to $pagination_obj. > How does those $pagi_obj properties, can then be accessible by doing $pagination_obj->offset; ? I mean, they are attributes of our stdClass object (aka pagi_obj), and they are not attributes of our Pagination class, or are they? The Pagination class built the object for you and assigned those vars to it. It then returned the object and you assigned it the name $pagination_obj. HTH -- Thanks! -Shawn http://www.spidean.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
